// Kenko Supplies
Parasite Treatments.
Professional-grade treatments for the parasites that plague koi — flukes, worms, and flea-type protozoa. Pure active ingredients, clear dosing, and a specific product for each problem.
Choose a Treatment
By Parasite
Kenko Koi CureBroad parasite oxidizer
from $20
Kenko Clear TCostia · Oodinium · Trichodina
from $29
Kenko Defense FFlukes · Flubendazole
from $25
Kenko Fen ShieldWorms & flukes · Fenbendazole
from $30
Kenko Prazi GuardWorms & flukes · Praziquantel
from $30
Pure, pro-grade actives
100% flubendazole, fenbendazole, and praziquantel — no fillers.
A treatment for each parasite
Flukes, worms, and flea-type protozoa each get a dedicated product.
Bio-filter-safe dewormers
Defense F, Fen Shield, and Prazi Guard won't harm your biological filter.
Clear, simple dosing
Straightforward per-gallon directions on every product page.
Read the SDS first
Strong treatments like Koi Cure and Clear T need care — full safety data provided.
Used on our own koi
The same treatments we trust on our fish — nothing we wouldn't run ourselves.
